<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link href="./header.css"  rel="stylesheet">
    <title>Document</title>
    
</head>
<body>
    <main id="app">
        <!-- 注意：组件注册推荐-命名方式，采用大驼峰在DOM上使用时，也需要变为-方式 -->
        <header-top></header-top>
    </main>
</body>
<script src="../vue.js"></script>
<script src="./header-components.js"></script>
<script>

    new Vue({
        el: "#app"
    })

</script>
</html>